n. Bloo is one of many loveable and eccentric characters in Cartoon Networks "Fosters home for Imaginary Friends".
He is a small, blue, almost gelatinous imaginary friend with a knack for getting in trouble but in a genius way.
He was imagined by Mac.

Person One: And I really do think that my shoes smell good....I mean, they're lavender flavored....and I've only worn them three times....and there isn't anything growing on them....what do you think?
Person Two: ....Bloo.